C++ CConnman::ForEachNode方法代碼示例

bool CDarksendQueue::Relay(CConnman& connman)
{
    connman.ForEachNode([&connman, this](CNode* pnode) {
        CNetMsgMaker msgMaker(pnode->GetSendVersion());
        if (pnode->nVersion >= MIN_PRIVATESEND_PEER_PROTO_VERSION)
            connman.PushMessage(pnode, msgMaker.Make(NetMsgType::DSQUEUE, (*this)));
    });
    return true;
}

void CMasternodeSync::SwitchToNextAsset(CConnman& connman)
{
    switch(nRequestedMasternodeAssets)
    {
        case(MASTERNODE_SYNC_FAILED):
            throw std::runtime_error("Can't switch to next asset from failed, should use Reset() first!");
            break;
        case(MASTERNODE_SYNC_INITIAL):
            nRequestedMasternodeAssets = MASTERNODE_SYNC_WAITING;
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Starting %s\n", GetAssetName());
            break;
        case(MASTERNODE_SYNC_WAITING):
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Completed %s in %llds\n", GetAssetName(), GetTime() - nTimeAssetSyncStarted);
            nRequestedMasternodeAssets = MASTERNODE_SYNC_LIST;
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Starting %s\n", GetAssetName());
            break;
        case(MASTERNODE_SYNC_LIST):
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Completed %s in %llds\n", GetAssetName(), GetTime() - nTimeAssetSyncStarted);
            nRequestedMasternodeAssets = MASTERNODE_SYNC_MNW;
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Starting %s\n", GetAssetName());
            break;
        case(MASTERNODE_SYNC_MNW):
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Completed %s in %llds\n", GetAssetName(), GetTime() - nTimeAssetSyncStarted);
            nRequestedMasternodeAssets = MASTERNODE_SYNC_GOVERNANCE;
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Starting %s\n", GetAssetName());
            break;
        case(MASTERNODE_SYNC_GOVERNANCE):
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Completed %s in %llds\n", GetAssetName(), GetTime() - nTimeAssetSyncStarted);
            nRequestedMasternodeAssets = MASTERNODE_SYNC_FINISHED;
            uiInterface.NotifyAdditionalDataSyncProgressChanged(1);
            //try to activate our masternode if possible
            activeMasternode.ManageState(connman);

            connman.ForEachNode(CConnman::AllNodes, [](CNode* pnode) {
                netfulfilledman.AddFulfilledRequest(pnode->addr, "full-sync");
            });
            LogPrint(MCLog::MN, "CMasternodeSync::SwitchToNextAsset -- Sync has finished\n");

            break;
    }
    nRequestedMasternodeAttempt = 0;
    nTimeAssetSyncStarted = GetTime();
    BumpAssetLastTime("CMasternodeSync::SwitchToNextAsset");
}

void ThreadSendAlert(CConnman& connman)
{
    if (!mapArgs.count("-sendalert") && !mapArgs.count("-printalert"))
        return;

    // Wait one minute so we get well connected. If we only need to print
    // but not to broadcast - do this right away.
    if (mapArgs.count("-sendalert"))
        MilliSleep(60*1000);

    //
    // Alerts are relayed around the network until nRelayUntil, flood
    // filling to every node.
    // After the relay time is past, new nodes are told about alerts
    // when they connect to peers, until either nExpiration or
    // the alert is cancelled by a newer alert.
    // Nodes never save alerts to disk, they are in-memory-only.
    //
    CAlert alert;
    alert.nRelayUntil   = GetAdjustedTime() + 15 * 60;
    alert.nExpiration   = GetAdjustedTime() + 30 * 60 * 60;
    alert.nID           = 1;  // keep track of alert IDs somewhere
    alert.nCancel       = 0;   // cancels previous messages up to this ID number

    // These versions are protocol versions
    alert.nMinVer       = 70000;
    alert.nMaxVer       = 70103;

    //
    //  1000 for Misc warnings like out of disk space and clock is wrong
    //  2000 for longer invalid proof-of-work chain
    //  Higher numbers mean higher priority
    alert.nPriority     = 5000;
    alert.strComment    = "";
    alert.strStatusBar  = "URGENT: Upgrade required: see https://www.terracoin.io";

    // Set specific client version/versions here. If setSubVer is empty, no filtering on subver is done:
    // alert.setSubVer.insert(std::string("/Terracoin Core:0.12.0.58/"));

    // Sign
    if(!alert.Sign())
    {
        LogPrintf("ThreadSendAlert() : could not sign alert\n");
        return;
    }

    // Test
    CDataStream sBuffer(SER_NETWORK, CLIENT_VERSION);
    sBuffer << alert;
    CAlert alert2;
    sBuffer >> alert2;
    if (!alert2.CheckSignature(Params().AlertKey()))
    {
        printf("ThreadSendAlert() : CheckSignature failed\n");
        return;
    }
    assert(alert2.vchMsg == alert.vchMsg);
    assert(alert2.vchSig == alert.vchSig);
    alert.SetNull();
    printf("\nThreadSendAlert:\n");
    printf("hash=%s\n", alert2.GetHash().ToString().c_str());
    printf("%s", alert2.ToString().c_str());
    printf("vchMsg=%s\n", HexStr(alert2.vchMsg).c_str());
    printf("vchSig=%s\n", HexStr(alert2.vchSig).c_str());

    // Confirm
    if (!mapArgs.count("-sendalert"))
        return;
    while (connman.GetNodeCount(CConnman::CONNECTIONS_ALL) == 0 && !ShutdownRequested())
        MilliSleep(500);
    if (ShutdownRequested())
        return;

    // Send
    printf("ThreadSendAlert() : Sending alert\n");
    int nSent = 0;
    {
        connman.ForEachNode([&alert2, &connman, &nSent](CNode* pnode) {
            if (alert2.RelayTo(pnode, connman))
            {
                printf("ThreadSendAlert() : Sent alert to %s\n", pnode->addr.ToString().c_str());
                nSent++;
            }
        });
    }
    printf("ThreadSendAlert() : Alert sent to %d nodes\n", nSent);
}